/*********************************************
* 파일명: lib.validate.js
* 기능: 유연한 자동 폼 검사기
* 만든이: shinjh
* 날짜: 2005-8-01
**********************************************/

/// 에러메시지 포멧 정의 ///
var NO_BLANK = "{name+을를} 입력하여 주십시오";
var NO_SELECT = "{name+을를} 선택하여주십시오";
var NOT_VALID = "{name+이가} 올바르지 않습니다";
var TOO_LONG = "{name}의 길이가 초과되었습니다 (최대 {maxbyte}바이트)";
var TOO_SHORT = "{name}의 길이가 부족합니다 (최소 {minbyte}바이트)";

/// 스트링 객체에 메소드 추가 ///
String.prototype.trim = function(str) { 
	str = this != window ? this : str; 
	return str.replace(/^\s+/g,'').replace(/\s+$/g,''); 
}

String.prototype.hasFinalConsonant = function(str) {
	str = this != window ? this : str; 
	var strTemp = str.substr(str.length-1);
	return ((strTemp.charCodeAt(0)-16)%28!=0);
}

function josa(str,tail) {
	return (str.hasFinalConsonant()) ? tail.substring(0,1) : tail.substring(1,2);
}

function validate(form) {
	
	var i=0;

	for (i = 0; i < form.elements.length; i++ ) {
		var el = form.elements[i];

		if (el.getAttribute("REQUIRED") != null) {
			//select 구문 처리
			if(el.type.indexOf("select")>-1){
				if (el.selectedIndex==0) {
					return doError(el,NO_SELECT);
				}
			}else if( (el.type.indexOf("radio")>-1) || (el.type.indexOf("checkbox")>-1) ){
				var ideastr;
				var chkyn = false;
				
				if(form.elements[el.name].length != null){
					for (var k=0;k<form.elements[el.name].length;k++) { 
							ideastr = form.elements[el.name][k];
							if (ideastr.checked == true) chkyn = true;
					} 
				}				
				else{
					form.elements[el.name].checked = true;
					chkyn = true;
				}
				if(!chkyn){
					return doError(el,NO_SELECT);
				}
			}else{
				if (el.value == null || el.value.trim() == "") {
					return doError(el,NO_BLANK);
				}
			}
		}

		if (el.getAttribute("MAXBYTE") != null && el.value.trim() != "") {
			var len = 0;
			for(j=0; j<el.value.trim().length; j++) {
				var str = el.value.trim().charAt(j);
				len += (str.charCodeAt() > 128) ? 2 : 1
			}
			if (len > parseInt(el.getAttribute("MAXBYTE"))) {
				maxbyte = el.getAttribute("MAXBYTE");
				return doError(el,TOO_LONG,"",maxbyte);
			}
		}
		if (el.getAttribute("MINBYTE") != null && el.value.trim() != "") {
			var len = 0;
			for(j=0; j<el.value.trim().length; j++) {
				var str = el.value.trim().charAt(j);
				len += (str.charCodeAt() > 128) ? 2 : 1
			}
			if (len < parseInt(el.getAttribute("MINBYTE"))) {
				minbyte = el.getAttribute("MINBYTE");
				return doError(el,TOO_SHORT,"",minbyte);
			}
		}

		if (el.getAttribute("OPTION") != null && el.value.trim() != "") {
			if (!funcs[el.getAttribute("OPTION")](el)) return false;
		}
	}

	return true;
}

function doError(el,type,action,byte) {
	var pattern = /{([a-zA-Z0-9_]+)\+?([가-힣]{2})?}/;
	var name = (hname = el.getAttribute("HNAME")) ? hname : el.getAttribute("NAME");
	pattern.exec(type);
	var tail = (RegExp.$2) ? josa(eval(RegExp.$1),RegExp.$2) : "";
	alert(type.replace(pattern,eval(RegExp.$1) + tail).replace(pattern,byte));
	if (action == "sel") {
		el.select();
	} else if (action == "del")	{
		el.value = "";
	}
	if (el.getAttribute("UNFOCUSED") == null) {
		if(el.type!="hidden"){		
			el.focus();
		}
	}	
	return false;
}

/// 특수 패턴 검사 함수 매핑 ///
var funcs = new Array();
funcs['email'] = isValidEmail;
funcs['tel'] = isValidTel;
funcs['phone'] = isValidPhone;
funcs['mobile'] = isValidMobile;
funcs['userid'] = isValidUserid;
funcs['userpw'] = isValidUserpw;
funcs['hangul'] = hasHangul;
funcs['number'] = isNumeric;
funcs['number2'] = isNumeric2;
funcs['engonly'] = alphaOnly;
funcs['hangulonly'] = hangulOnly;
funcs['jumin'] = isValidJumin;
funcs['bizno'] = isValidBizNo;
funcs['date'] = isValidDate;

/// 패턴 검사 함수들 ///
function isValidEmail(el) {
	var pattern = /^[_a-zA-Z0-9-\.]+@[\.a-zA-Z0-9-]+\.[a-zA-Z]+$/;
	if (pattern.exec(el.value)) {
		return (pattern.test(el.value)) ? true : doError(el,NOT_VALID);
	} else {
		return doError(el,NOT_VALID);
	}

}

//수정 필요- KAJONGY
function isValidUserid(el) {
	var pattern = /^[a-zA-Z]{1}[a-zA-Z0-9_]{3,10}$/;
	return (pattern.test(el.value)) ? true : doError(el,"{name+은는} 4자이상 11자 미만이어야 하고,\n 영문,숫자, _ 문자만 사용할 수 있습니다");
}

function isValidUserpw(el) {
	var pattern = /^[a-zA-Z0-9_]{1}[a-zA-Z0-9_]{5,10}$/;
	return (pattern.test(el.value)) ? true : doError(el,"{name+은는} 6자이상 11자 미만이어야 하고,\n 영문,숫자, _ 문자만 사용할 수 있습니다");
}

function isValidUseridLen(el) {
	var pattern = /^[a-zA-Z]{1}[a-zA-Z0-9_]{5,20}$/;
	return (pattern.test(el.value)) ? true : doError(el,"{name+은는} 6자이상 20자 미만이어야 하고,\n 영문,숫자, _ 문자만 사용할 수 있습니다");
}

function isValidUserpwLen(el) {
	var pattern = /^[a-zA-Z0-9_]{1}[a-zA-Z0-9_]{5,20}$/;
	return (pattern.test(el.value)) ? true : doError(el,"{name+은는}  6자이상 20자 미만이어야 하고,\n 영문,숫자, _ 문자만 사용할 수 있습니다");
}

function hasHangul(el) {
	var pattern = /[가-힣]/;
	return (pattern.test(el.value)) ? true : doError(el,"{name+은는} 반드시 한글을 포함해야 합니다");
}
function hangulOnly(el) {
	var pattern = /^[가-힣]+$/;
	return (pattern.test(el.value)) ? true : doError(el,NOT_VALID);
}

function alphaOnly(el) {
	var pattern = /^[a-zA-Z]+$/;
	return (pattern.test(el.value)) ? true : doError(el,NOT_VALID);
}

function isNumeric(el) {
	var pattern = /^[0-9]+$/;
	return (pattern.test(el.value)) ? true : doError(el,"{name+은는} 반드시 숫자로만 입력해야 합니다");
}

function isNumeric2(el) {
	var pattern = /^[0-9,.]+$/;
	return (pattern.test(el.value)) ? true : doError(el,"{name+은는} 반드시 숫자로만 입력해야 합니다");
}


function isValidJumin(el) {
    var pattern = /^([0-9]{6})-?([0-9]{7})$/; 
	var num = el.value;
    if (!pattern.test(num)) return doError(el,NOT_VALID); 
    num = RegExp.$1 + RegExp.$2;

	var sum = 0;
	var last = num.charCodeAt(12) - 0x30;
	var bases = "234567892345";
	for (var i=0; i<12; i++) {
		if (isNaN(num.substring(i,i+1))) return doError(el,NOT_VALID);
		sum += (num.charCodeAt(i) - 0x30) * (bases.charCodeAt(i) - 0x30);
	}
	var mod = sum % 11;
	return ((11 - mod) % 10 == last) ? true : doError(el,NOT_VALID);
}

function isValidBizNo(el) { 
	var pattern = /([0-9]{3})-?([0-9]{2})-?([0-9]{5})/; 
	var num = el.value;
    if (!pattern.test(num)) return doError(el,NOT_VALID); 
    num = RegExp.$1 + RegExp.$2 + RegExp.$3;
    var cVal = 0; 
    for (var i=0; i<8; i++) { 
        var cKeyNum = parseInt(((_tmp = i % 3) == 0) ? 1 : ( _tmp  == 1 ) ? 3 : 7); 
        cVal += (parseFloat(num.substring(i,i+1)) * cKeyNum) % 10; 
    } 
    var li_temp = parseFloat(num.substring(i,i+1)) * 5 + '0'; 
    cVal += parseFloat(li_temp.substring(0,1)) + parseFloat(li_temp.substring(1,2)); 
    return (parseInt(num.substring(9,10)) == 10-(cVal % 10)%10) ? true : doError(el,NOT_VALID); 
}

function isValidPhone(el) {
	var pattern = /^([0]{1}[0-9]{1,2})-?([1-9]{1}[0-9]{2,3})-?([0-9]{4})$/;
	if (pattern.exec(el.value)) {
		if(RegExp.$1 == "02" || RegExp.$1 == "031" || RegExp.$1 == "032" || RegExp.$1 == "033" || RegExp.$1 == "041" || RegExp.$1 == "042" || RegExp.$1 == "043" || RegExp.$1 == "051" || RegExp.$1 == "052" || RegExp.$1 == "053" || RegExp.$1 == "054" || RegExp.$1 == "055" || RegExp.$1 == "061" || RegExp.$1 == "062" || RegExp.$1 == "063" || RegExp.$1 == "064") {
			el.value = RegExp.$1 + "-" + RegExp.$2 + "-" + RegExp.$3;
			return true;
		}else{
			return doError(el,NOT_VALID);
		}
	} else {
		return doError(el,NOT_VALID);
	}
}
function isValidMobile(el) {
	var pattern = /^([0]{1}[0-9]{1,2})-?([1-9]{1}[0-9]{2,3})-?([0-9]{4})$/;
	if (pattern.exec(el.value)) {
		if(RegExp.$1 == "011" || RegExp.$1 == "016" || RegExp.$1 == "017" || RegExp.$1 == "018" || RegExp.$1 == "019" || RegExp.$1 == "010") {
			el.value = RegExp.$1 + "-" + RegExp.$2 + "-" + RegExp.$3;
			return true;
		}else{
			return doError(el,NOT_VALID);
		}
	} else {
		return doError(el,NOT_VALID);
	}
}
function isValidTel(el) {
	var pattern = /^([0]{1}[0-9]{1,2})-?([1-9]{1}[0-9]{2,3})-?([0-9]{4})$/;
	if (pattern.exec(el.value)) {
		el.value = RegExp.$1 + "-" + RegExp.$2 + "-" + RegExp.$3;
		return true;
	} else {
		return doError(el,NOT_VALID);
	}
}

function isValidDate(el) {
	var oDateStr = el.value;

	var oDate = new Date(oDateStr.substr(0,4),oDateStr.substr(4,2)-1,oDateStr.substr(6,2));

	var oYearStr=oDate.getFullYear();

	var oMonthStr=(oDate.getMonth()+1).toString();
		
	oMonthStr = (oMonthStr.length ==1) ? "0"+ oMonthStr: oMonthStr; 
	var oDayStr=oDate.getDate().toString();
	oDayStr = (oDayStr.length ==1) ? "0"+ oDayStr: oDayStr; 

	return  (oDateStr == oYearStr+oMonthStr+oDayStr) ? true : doError(el,NOT_VALID); 
}
function makeValidationDate(obj,obj_year,obj_month,obj_day){
	if(obj_month.value.length==1)
		obj_month.value = "0" + obj_month.value;
	if(obj_day.value.length==1)
		obj_day.value = "0" + obj_day.value;

	obj.value = obj_year.value+obj_month.value+obj_day.value;
}

function makeValidationDate_Sel(obj,obj_year,obj_month,obj_day){
	if(obj_month.options[obj_month.selectedIndex].value.length==1)
		var t_month = "0" + obj_month.options[obj_month.selectedIndex].value;
	else
		var t_month = obj_month.options[obj_month.selectedIndex].value;

	if(obj_day.options[obj_day.selectedIndex].value.length==1)
		var t_day = "0" + obj_day.options[obj_day.selectedIndex].value;
	else
		var t_day = obj_day.options[obj_day.selectedIndex].value;

	obj.value = obj_year.options[obj_year.selectedIndex].value+t_month+t_day;
}

function isChked(obj, msg){
	if(obj){
		if(obj.length > 0){
			for(var i = 0; i < obj.length; i++){
				if(obj[i].checked) return true;
			}
		}else{
			if(obj.checked) return true;
		}
	}
	alert(msg);
	return false;
}